A random parameters with heterogeneity in means and Lindley approach to analyze crash data with excessive zeros: A case study of head-on heavy vehicle crashes …

KNS Behara, A Paz, O Arndt, D Baker - Accident Analysis & Prevention, 2021 - Elsevier
This study performed statistical analyses to identify likely crash contributing factors for Head-
on Fatal and Serious Injury (FSI) collisions involving heavy vehicles (HVs) on the …

Prediction intervals for Poisson‐based regression models

T Kim, B Lieberman, G Luta… - Wiley Interdisciplinary …, 2022 - Wiley Online Library
This paper provides a review of the literature regarding methods for constructing prediction
intervals for counting variables, with particular focus on those whose distributions are …

Analysis of lane-changing conflict between cars and trucks at freeway merging sections using UAV video data

Y Lu, K Cheng, Y Zhang, X Chen… - Journal of Transportation …, 2023 - Taylor & Francis
The freeway on-ramp merging section is often identified as a crash-prone spot due to the
high frequency of traffic conflicts. Cars and trucks have different sizes and operation …

Spatial heterogeneity analysis of macro-level crashes using geographically weighted Poisson quantile regression

J Tang, F Gao, F Liu, C Han, J Lee - Accident Analysis & Prevention, 2020 - Elsevier
In recent years, globally quantile-based model (eg quantile regression) and spatially
conditional mean models (eg geographically weighted regression) have been widely and …

The negative Binomial-Lindley model with Time-Dependent Parameters: Accounting for temporal variations and excess zero observations in crash data

R Dzinyela, M Shirazi, S Das, D Lord - Accident Analysis & Prevention, 2024 - Elsevier
Crash counts are non-negative integer events often analyzed using crash frequency models
such as the negative binomial (NB) distribution. However, due to their random and …

A New Surrogate Safety Measure Considering Temporal–Spatial Proximity and Severity of Potential Collisions

S Tang, Y Lu, Y Liao, K Cheng, Y Zou - Applied Sciences, 2024 - mdpi.com
Accurate identification and analysis of traffic conflicts through surrogate safety measures
(SSMs) are crucial for safety evaluation in road systems. Existing SSMs for conflict …

[HTML][HTML] Multi-objective extensive hypothesis testing for the estimation of advanced crash frequency models

Z Ahern, P Corry, W Rabbani, A Paz - Accident Analysis & Prevention, 2024 - Elsevier
Analyzing crash data is a complex and labor-intensive process that requires careful
consideration of multiple interdependent modeling aspects, such as functional forms …

Extensive hypothesis testing for estimation of crash frequency models

Z Ahern, P Corry, W Rabbani, A Paz - Heliyon, 2024 - cell.com
Estimating crash data count models poses a significant challenge which requires extensive
knowledge, experience, and meticulous hypothesis testing to capture underlying trends …

Prediction regions for Poisson and over-dispersed Poisson regression models with applications in forecasting the number of deaths during the COVID-19 pandemic

T Kim, B Lieberman, G Luta, EA Peña - Open Statistics, 2021 - degruyter.com
Abstract Motivated by the Coronavirus Disease (COVID-19) pandemic, which is due to the
SARS-CoV-2 virus, and the important problem of forecasting the number of daily deaths and …

Development of Crash Prediction Models for Urban Road Segments Using Poisson Inverse Gaussian Regression

MW Khattak, H De Backer, P De Winne… - … on Transportation and …, 2022 - ascelibrary.org
Transportation safety researchers utilize crash prediction models (CPMs) to examine the
safety performance of roadway facilities. Using statistical modeling, the CPMs associate …